For more information about 3M™ Safety Helmets, visit www.3M.com
(E) External audio input levels
E:1 Model
E:2 Voltage input
for 82 dB (mV)
E:1 Model
E:2 Voltage input
for 82 dB (mV)
HTR-32
B HTS-330
104 mV
451 mV
HTRL
HTS-230
198
370
HTR-230
HTZ
270 mV
91 mV
HTAC-220
147